环境：win10+Python3　　实现：亿范围内正整数阿拉伯数字转汉语数字(未做健壮性判断)

1 import re
 2 
 3 
 4 num_dict = {'1':'一', '2':'二', '3':'三', '4':'四', '5':'五', '6':'六', '7':'七', '8':'八', '9':'九', '0':'零', }
 5 index_dict = {1:'', 2:'十', 3:'百', 4:'千', 5:'万', 6:'十', 7:'百', 8:'千', 9:'亿'}
 6 while True:
 7     num = input(">>")
 8 
 9     nums = list(num)
10     nums_index = [x for x in range(1, len(nums)+1)][-1::-1]
11 
12     str = ''
13     for index, item in enumerate(nums):
14         str = "".join((str, num_dict[item], index_dict[nums_index[index]]))
15 
16     str = re.sub("零[十百千零]*", "零", str)
17     str = re.sub("零万", "万", str)
18     str = re.sub("亿万", "亿零", str)
19     str = re.sub("零零", "零", str)
20     str = re.sub("零\\b" , "", str)
21     print(str)

运行示例：

将阿拉伯数字转换为汉字Python python阿拉伯数字转中文_健壮性